Move more transport operations to Trampoline

From BMS. Namely:
* selectBackupTransport()
* selectBackupTransportAsync()
* getConfigurationIntent()
* getDestinationString()
* getDataManagementIntent()
* getDataManagementLabel()

Test: atest BackupManagerServiceTest TrampolineRoboTest TrampolineTest
Bug: 135661048
Change-Id: I9dbc0c4dfa73bd9738ae658ff24f986000ffc54b
5 files changed